Looking to get the most out of your high revving, high performance motor. Install a DC Sports 4-1 header and realize your motors full potential. Designed to make power from 4000 RPM to redline without loosing any power on the botom end. The DC Sports 4-1 headers features a trapezoidal merge collector to increase ground clearance with out sacrificing performance. The near equal lenght primaries, CNC madrel bent tubing and true merge collector ensures performance.